Home / 130,756.80-196,365.60-101,246.40

Finding the Fourth Proportional to 130,756.80, 196,365.60 and 101,246.40

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Solution

The fourth proportional to 130,756.80, 196,365.60 and 101,246.40 is: 152,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,756.80 : 196,365.60 = 101,246.40 : x
  2. Step 2: Convert to fraction form
    130,756.80/196,365.60 = 101,246.40/x
  3. Step 3: Cross multiply
    130,756.80x = 196,365.60 × 101,246.40
  4. Step 4: Simplify right side
    130,756.80x = 19,881,310,083.84
  5. Step 5: Solve for x
    x = 19,881,310,083.84/130,756.80
  6. Step 6: Final answer
    x = 152,048.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.